title: The origin of brain metastases in patients with an undiagnosed primary tumour.
mesh_terms: D000328:Adult; D000368:Aged; D001706:Biopsy; D001921:Brain / Q000473:pathology / Q000601:surgery; D001932:Brain Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000556:secondary* / Q000601:surgery; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D017567:Karnofsky Performance Status; D016015:Logistic Models; D008297:Male; D009382:Neoplasms, Unknown Primary / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D009460:Neurologic Examination; D010351:Patient Discharge / Q000706:statistics & numerical data; D012189:Retrospective Studies; D012680:Sensitivity and Specificity; D013238:Stereotaxic Techniques; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome